package com.sky.controller.admin;


import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@RestController
@RequestMapping("/admin/dish")
@Slf4j
@Api(tags = "菜品相关接口")
public class DishController {
        //注入菜品接口
    @Autowired
    private DishService dishService;

    //注入redisTemplate
    @Autowired
    private RedisTemplate redisTemplate;

    /**
     * 新增菜品
     * @param dishDTO
     * @return
     */
    @PostMapping
    @ApiOperation("新增菜品")
    public Result save(@RequestBody DishDTO dishDTO){
        log.info("新增菜品：{}",dishDTO);

        dishService.saveWithFlavor(dishDTO);

        //清理缓存数据
        String key = "dish_" + dishDTO.getCategoryId();

        cleanCache(key);

        //返回统一响应结果
        return Result.success();
    }


    /**
     * 菜品分页查询
     * @param dishPageQueryDTO
     * @return
     */
    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO){
        log.info("分页查询菜品：{}",dishPageQueryDTO);

        PageResult pageResult = dishService.pageQuery(dishPageQueryDTO);

        return Result.success(pageResult);
    }


    /**
     * 批量删除菜品
     * @param ids
     * @return
     */
    @DeleteMapping
    @ApiOperation("批量删除菜品")
    public Result delect(@RequestParam List<Long> ids){
        log.info("批量参数菜品：{}",ids);

        //调用接口实现功能
        dishService.deleteBatch(ids);

        //清理缓存数据
        cleanCache("dish_*");
        return Result.success();
    }

    /**
     * 根据id查询菜品
     * @param id
     * @return
     */
    @GetMapping("/{id}")
    @ApiOperation("根据id查询菜品")
    public Result<DishVO> getById(@PathVariable Long id){
        log.info("根据id查询菜品信息：{}",id);

        //调用接口实现功能
        DishVO dishVO = dishService.getByIdWithFlavor(id);

        return Result.success(dishVO);
    }


    /**
     * 修改菜品和对应的口味数据
     * @param dishDTO
     * @return
     */
    @PutMapping
    @ApiOperation("修改菜品和对应的口味数据")
    public Result update(@RequestBody DishDTO dishDTO){
        log.info("修改菜品：{}",dishDTO);

        dishService.updateWithFlavor(dishDTO);

        //修改后清理原先的菜品数据
        cleanCache("dish_*");

        return Result.success();
    }

    /**
     * 菜品起售停售
     *
     * @param status
     * @param id
     * @return
     */
    @PostMapping("/status/{status}")
    @ApiOperation("菜品起售停售")
    public Result<String> startOrStop(@PathVariable Integer status, Long id) {
        dishService.startOrStop(status, id);

        //将所有的菜品缓存数据清理掉，所有以dish_开头的key
        cleanCache("dish_*");

        return Result.success();
    }

    /**
     * 根据分类id查询菜品
     * @param categoryId
     * @return
     */
    @GetMapping("/list")
    @ApiOperation("根据分类id查询id")
    public Result <List<Dish>> list(Long categoryId){
        log.info("根据分类查询id {}",categoryId);
        List<Dish> list=dishService.list(categoryId);
        return Result.success(list);
    }


    /**
     * 清理缓存数据
     * @param pattern
     */
    private void cleanCache(String pattern){
        //获取要清理的全部keys
        Set keys = redisTemplate.keys(pattern);
        //清理
        redisTemplate.delete(keys);
    }
}
